I gave a presentation in RubyConf Argentina about what’s new in Rails 4 (if you saw it please rate it). I’ve already posted the Rails 4 MindNode which I used to start to think about what I was going to present. The talk was in Spanish but I’m leaving here the English version of the slides. If you want to use these slides to spread the word about what’s new in Rails you don’t need to ask me for per
